https://code.msdn.microsoft.com/Desktop-Application-f0e53036
origin - http://www.pipiscrew.com/2017/05/ftpwebrequest/ ftpwebrequest
https://code.msdn.microsoft.com/Desktop-Application-f0e53036
origin - http://www.pipiscrew.com/2017/05/ftpwebrequest/ ftpwebrequest